package com.atguigu.juc.基础;

public class TestTransferValue {

    public void changeValue(int age){
        age = 30;
    }

    public void changeValue2(Person person){
        person.setPersonName("xxx");
    }

    public void changeValue3( String str){
        str = "xxx";
    }

    public static void main(String[] args) {

        TestTransferValue test = new TestTransferValue();
        int age = 20;
        test.changeValue(age);
        System.out.println("age---"+ age);  //20

        Person person = new Person("abc");

        test.changeValue2(person);
        System.out.println("personName-----" + person.getPersonName());

        String str = "abc";
        test.changeValue3(str);
        System.out.println("String----"+ str);  //abc

    }
}
